Quick answers
- Which hospitals does Oussama Nachar work at?
- Medicare's official clinician data lists Oussama Nachar at 1 hospital: Doctors Hosptal at Renaissance. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Oussama Nachar see patients?
- Medicare's clinician data lists 4 practice locations, including Houston, TX, Harlingen, TX and Edinburg, TX. Call before your visit to confirm the address.
- What is Oussama Nachar's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty, and also Nuclear Medicine.
- Does Oussama Nachar accept Medicare assignment?
- Yes. Medicare's clinician data says Oussama Nachar accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Oussama Nachar?
- (956) 622-4470, as listed in official Medicare / NPI Registry data.
- What is Oussama Nachar's NPI number?
- 1174575583. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Oussama Nachar works
Medicare's Facility Affiliation Data lists Oussama Nachar at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Doctors Hosptal at RenaissanceEdinburg, TX · Acute Care Hospital · CCN 450869
Practice locations
Addresses where Oussama Nachar is enrolled with Medicare (CMS data updated 2026-10-02).
- 11740 Katy Fwy, Suite 1300Houston, TX 77079 (956) 622‑4470
- 1241 Campbell RdHouston, TX 77055 (713) 461‑3399
- 28430 Valencia Cir WHarlingen, TX 78552 (956) 627‑3083
- 5501 S McColl RdEdinburg, TX 78539 (956) 362‑2171
Group practices
Medicare enrollment lists Oussama Nachar as a member of these groups (CMS data updated 2026-10-02).
- Renaissance Medical Foundation181 clinicians in the group
- Memorial Mri and Diagnostic LLC79 clinicians in the group
- Miguel Oneto, MD, PA8 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
- Nuclear Medicinealso
Other radiologists in Houston
Clinicians with the same Medicare primary specialty in Houston, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Universite Laval Faculte De Medecine Dentaire |
| Graduation year | 1995 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1174575583 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians